ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,630, issued on Dec. 23, was assigned to COWAY Co. Ltd. (Gongju-si, South Korea).
"Air purifier" was invented by Joon Young Choi (Seoul, South Korea), Yu Young Nam (Seoul, South Korea) and Jun Hyoung Bae (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air purifier includes a filter member for filtering pollutants in the air, a blower for providing blowing force to allow the air to pass through the filter member, a body frame accommodating the blower, a cover frame that forms a part of an appearance of the air purifier and is detachably coupled to the body frame, and a filter frame that is detachably coupled to the cover frame an...